Software Engineer

ReadyOn Fullstack Software EngineerReadyOn.ai | Onsite at San Francisco HQRole OverviewReadyOn is an AI-native Labor Operating System redefining how Fortune 250 enterprises manage 2.7 billion frontline workers. We are hiring a Fullstack Software Engineer to architect and build the foundational systems that bridge high-performance distributed backends with real-time, intuitive collaboration interfaces.You will be a hands-on builder working at the intersection of market-design economics and deep AI integration to solve one of the world's hardest optimization problems: matching labor supply and demand in real time.  This role requires 5 days in office.What We’re Looking ForCore Skill RequirementsStartup DNA: Experience architecting or scaling systems in a fast-paced, high-growth environment. TypeScript Mastery: Expert-level proficiency across the full stack.  Data Architecture: Advanced PostgreSQL knowledge (schema design, performance tuning, concurrency) and deep experience with GraphQL (including federated subgraphs).System Design: Strong fundamentals in building distributed systems; comfortable moving from zero-to-one in ambiguous environments.Bonus ExperienceReal-time coordination systems Event-driven architecture and event sourcing.Graph processing and AI-agent integration.NestJS (Backend) and modern React patterns (Frontend).Expected Technical FocusFull-Cycle Ownership: Architecting end-to-end features from database schema to UI implementation.Performance at Scale: Optimizing API latency and frontend state management for massive enterprise datasets.Reliability: Designing for high concurrency and complex labor-matching logic.Collaborative Design: Working closely with product and AI researchers to translate economic principles into functional software.Why Join ReadyOn.aiMassive Impact: Own critical architecture for a product used by F250 enterprises managing billions in labor spend.World-Class Team: Collaborate with a Nobel Laureate advisor and a founding team of startup veterans and former engineering leaders from Google Cloud, Meta, Stanford AI Lab, and Deloitte.Breakout Phase: Join a Series A company that grew 8x in 2025 with a $30B+ TAM.Zero Bureaucracy: A high-autonomy, founder-led environment where engineering excellence drives the mission.